12 Days of Christmas
399
Abundant Numbers
610
Abundant Numbers (Long)
670
Arithmetic Numbers
661
Collatz
745
Divisors
844
Emojify
418
Fibonacci
625929935
Fizz Buzz
569
848
Foo Fizz Buzz Bar
715
ISBN
584
Niven Numbers
771
Niven Numbers (Long)
840
Pangram Grep
725719
Tongue-twisters
373
Vampire Numbers
69
π
56